[AC-1772] Check null or whitespace on `GatewayCustomerId` and `BillingEmail` (#3398)

* Check null or whitespace on GatewayCustomerId and BillingEmail

* Fixed expiration input

src/Admin/Controllers/OrganizationsController.cs

@@ -215,7 +215,10 @@ public class OrganizationsController : Controller
 
         try
         {
-            await _stripeSyncService.UpdateCustomerEmailAddress(organization.GatewayCustomerId, organization.BillingEmail);
+            if (!string.IsNullOrWhiteSpace(organization.GatewayCustomerId) && !string.IsNullOrWhiteSpace(organization.BillingEmail))
+            {
+                await _stripeSyncService.UpdateCustomerEmailAddress(organization.GatewayCustomerId, organization.BillingEmail);
+            }
         }
         catch (StripeException stripeException)
         {

src/Admin/Views/Shared/_OrganizationForm.cshtml

@@ -259,7 +259,7 @@
             <div class="col-sm">
                 <div class="form-group">
                     <label asp-for="ExpirationDate"></label>
-                    <input type="datetime-local" class="form-control" asp-for="ExpirationDate" readonly='@(!canEditLicensing)'>
+                    <input type="datetime-local" class="form-control" asp-for="ExpirationDate" readonly='@(!canEditLicensing)' step="1">
                 </div>
             </div>
         </div>